Widespread mask-wearing could prevent COVID-19 second waves: study
LONDON - Population-wide face mask use could push COVID-19 transmission down to controllable levels for national epidemics, and could prevent further waves of the pandemic disease when combined with lockdowns, according to a British study on Wednesday.
"Our analyses support the immediate and universal adoption of face masks by the public," said Richard Stutt, who co-led the study at Cambridge. But, prompted by some new research in recent weeks, the World Health Organization said on Friday it now recommends that everyone wear fabric face masks in public to try to reduce disease spread.
The R value measures the average number of people that one infected person will pass the disease on to. An R value above 1 can lead to exponential growth.
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